HISTORY 

The Hughes Model 269 was the first successful helicopter design. Built in 1956, and entering production in 1957, it served to capture a large portion of the commercial market for Hughes.  It would eventually become part of the Army inventory as a primary trainer (TH-55 Osage). In May 1965, the company won the contract for a new observation helicopter for the U.S. Army, and produced the OH-6 Cayuse (Hughes Model 369).  The OH-6 was later developed into the civilian Model 500, variants of which remain in production to this day.

In 1972, Hughes sold the tool division of Hughes Tool Company, and reconsolidated his remaining holdings as the Summa Corporation, which included Hughes' property and other businesses. The Aircraft Division became the Hughes Helicopter Division, Summa Corp.  That same year, the US Army issued a request for proposals (RFP) for an Advanced Attack Helicopter (AAH). From an initial list of 5 manufacturers Hughes Aircraft's Toolco Aircraft Division (later Hughes Helicopters) and Bell were selected as finalists. In 1975, Hughes' Model 77/YAH-64 was selected over Bell's YAH-63. First flight of a development prototype occurred in 1977. Also in 1975, Hughes engineers at began concept development work of NOTAR.

In 1981, Summa's Hughes Helicopter Division was reconstituted as Hughes Helicopters, Inc.. By December, six AH-64A prototypes had been built and the Army had awarded a purchase contract to the company.  Production would reach more than 1,100 by 2005. In 1983, the first production model AH-64 rolled off the production line at the company's new Mesa, Arizona facility. That same year, the company was honored by the National Aeronautic Association with the prestigious Collier Trophy. The company also licensed Schweizer Aircraft to produce the Model 300C.

In January 1984, Hughes Helicopters, Inc. was sold to McDonnell Douglas by Summa Corporation, under the parent's efforts to streamline its focus and interest in real estate development. McDonnell Douglas paid $470 million for the company and made it a subsidiary. Hughes Helicopters was renamed McDonnell Douglas Helicopter Systems later in August 1984.  Although the direct link with Hughes was broken, the helicopter designs created by Hughes Helicopters would continue to be produced by Boeing Rotorcraft Systems, MD Helicopters, and Schweizer Aircraft.

Source: Wikipedia

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